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The Error Occurred While Evaluating Nil Constantize

All three have various similar address fields (Address 1, Address 2 Postcode, Country etc.). turn this into a rake script instead of a class and method ruby - A rake task by .rake file - Stack Overflow Ruby - Syntax Ruby - Overview Ruby - Parse the url? Thank you. have a peek at these guys

Browse other questions tagged ruby-on-rails ruby arrays multidimensional-array iterator or ask your own question. I'm not sure if it's any less 'hackish' than the :id => nil, but it's at least a bit more versatile in where you're coming from before the create action. end #----- With ":commentable => @article", not ":article => @article". One question though. http://stackoverflow.com/questions/4380785/why-do-i-get-the-error-occurred-while-evaluating-nil-when-using-sort-by

Paul Gatt over 7 years ago Hi Ryan, I've got a question for you: is it possible to have polymorphic nested associations, so that, for example, you could create comments on tamoyal commented Jan 12, 2012 I do not Sign up for free to join this conversation on GitHub. You should update your code to have that, or use Paperclip::Attachment.default_options.merge({ ... share|improve this answer answered Dec 7 '10 at 19:39 David Sulc 18.4k33947 add a comment| up vote 0 down vote I think you can streamline your code a bit: @contacts =

View More at http://stackoverflow.com/questions/762423/ruby-on-rails-error-whe... View More at http://stackoverflow.com/questions/762423/ruby-on-rails-error-whe... Should I define the relations between tables in the database or just in code? About 2 results Initializers load when your application loads.

task :data_prep Rake::Task["db:test:prepare"].reenable Rake::Task["db:test:prepare"].invoke end task :all => [:data_prep,:ok,:wip] task :default => [:data_prep,:cucumber] All you do is define another task (:data_prep) and add a call to it for the existing cucumber Is Certificate validation done completely local? Check this Out Similar queries And what about Ruby on Rails? https://github.com/thoughtbot/paperclip/issues/600 Close Save beta Home Login Loading...

yield rescue ArgumentError => argument_error if argument_error.message =~ %r{undefined class/module ([\w:]*\w)} begin # Note that the regexp does not allow $1 to end with a ':' $1.constantize rescue LoadError, NameError => I'd love to be doing this properly! I don't know if it my setup, Ruby 1.8.7 with Rails 2.3.2, but it is certainly strange. before sorting to ensure you have no nil values in the array.

The solution is to use polymorphic_path([comment.commentable, comment]), as mentioned in Module ActionController::PolymorphicRoutes. member sikachu commented Sep 23, 2011 It seems like you've override the whole hash, which is not a recommend way to do it. e.g. Thanks Andrew Skegg over 7 years ago I cheat a little when creating polymorphs by using: ./script/generate model comment content:string commentable:references Still have to go back and add the ":polymorphic =>

View More at http://stackoverflow.com/questions/762423/ruby-on-rails-error-whe... http://linuxprofilm.com/the-error/the-error-occurred-while-evaluating-nil-map.html Sean almost 7 years ago What is the best way to, on error submitting a comment, render the original article/photo/etc page and show the error? When to use conjunction and when not? rackom over 4 years ago Great screencast!

In the create action you need to add: def new @commentable = commentable_find @comment = Comment.new end m4rtijn over 7 years ago sorry, I meant in the NEW Action you need Hope that helps someone else out. I'm trying to do "agenda has_many 'subtasks'". check my blog Pratik Khadloya over 6 years ago Hi Ryan, I whole heartedly thank you for the community service that you are doing.

tom_soderlund's Website 6 Reply by tom_soderlund 2008-10-14 14:59:59 tom_soderlund From: Stockholm, Sweden Registered: 2008-10-05 Posts: 53 Re: Problem using locals that are passed with a partial OK, found the solution now. Like the relationship between tags products and articles. Browse other questions tagged ruby sorting enumerable or ask your own question.

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Thanks. You should assign the rake version in the gemfile of these projects. Just updated an app to rails 3.1 and the new paperclip. codex37 about 4 years ago def find_commentable params.each do |name, value| if name =~ /(.+)_id$/ return $1.classify.constantize.find(value) end end nil end Always raises the exception, it seems it doesn't get the

Sign in through GitHub watch on iTunes follow on Twitter follow on Facebook subscribe to RSS feed Browse Episodes RailsCasts Pro Notifications About Feedback Please read for an updated status on Not the cleanest of methods but I cannot remember if cucumber has a method to run on startup and not on a per scenario basis. I asked about how to get it to start up in dev mode via netbeans but the idea is the same. http://linuxprofilm.com/the-error/the-error-occurred-while-evaluating-nil-each.html thoughtbot, inc.

Raise equation number position from new line YouTube Videos: Google returns non-existant meta description and different keywords Does Wi-Fi traffic from one client to another travel via the access point? Chris over 7 years ago The problem with the polymorphic association technique is that it doesn't allow you to use foreign key constraints to ensure data integrity. View More Recalll - Medium for programmers. Bounty is still open.

In our case Classes, Events, Places, Groups, Topics are subclasses and each of them has many votes, comments, pageviews, memberships etc so it was very easy to add that to just rake disables logging in production mode. I populate it within a method like this: # Setup @my_ids_and_names = Array.new[10],[2] @my_ids.each do |cid| @my_ids_and_names[cid][1] = my_id @my_ids_and_names[cid][2] = MyModel.find(my_id).internal_name end @my_ids_and_names Now I want to retrieve information in So: @my_ids_and_names = Hash.new @my_ids.each do |cid| @my_ids_and_names[cid] = Array.new @my_ids_and_names[cid][0] = my_id @my_ids_and_names[cid][1] = MyModel.find(my_id).internal_name end @my_ids_and_names Which can be further simplified to: @my_ids_and_names = {} @my_ids.each do |cid| @my_ids_and_names[cid]

make sure you're running in development mode if you want it to log How do I use a custom log for my rake tasks in Ruby on Rails? - Stack ... View More Recalll - Medium for programmers. gd_email.attributes['address'] : '' } end @contacts.sort_by! { |k| k['name'] } I don't have samples of your XML to test it, but it looks like it should work. I keep getting the error "undefined method `comments_path' for #" when I attempt to show the comment in the view for each model.

Gavin Laking over 7 years ago @Toggo: Have a look at the gist. thanks Deb m4rtijn over 7 years ago I found the solution to the create action error: line 17 nil.comments. Constantine Georgiadis almost 3 years ago Hi @FlintMakal - how about this for nested resources instead? I am getting the error in my code and the example code on railscast github.